Grazing Occultation of ZC 337, 2009 May 22

Predictions for Grazing Occultation of ZC 337, 2009 May 22

Grazing Occultation of     337cA1      Magnitude 5.6 [Red = 5.6]   
   R337 = theta Arietis
Date: 2009 May 22 18h 30m,  to  2009 May 22 18h 32m

Nominal site altitude 100m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    AA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 173 30  0  -39 30 24  18 30 21  -11   7  58  8.77 332.0 351.37  21.66N
 173 40  0  -39 25 51  18 30 24  -11   7  57  8.56 332.0 351.35  21.69N
 173 50  0  -39 21 17  18 30 27  -11   7  57  8.36 332.0 351.32  21.72N
 174  0  0  -39 16 41  18 30 30  -11   7  57  8.17 331.9 351.29  21.75N
 174 10  0  -39 12  5  18 30 33  -11   7  57  7.99 331.9 351.25  21.78N
 174 20  1  -39  7 27  18 30 37  -11   7  57  7.81 331.9 351.22  21.81N
 174 30  1  -39  2 49  18 30 40  -10   7  57  7.64 331.9 351.19  21.84N
 174 40  1  -38 58  9  18 30 43  -10   8  57  7.48 331.8 351.16  21.87N
 174 50  1  -38 53 29  18 30 47  -10   8  57  7.32 331.8 351.13  21.90N
 175  0  1  -38 48 47  18 30 50  -10   8  57  7.17 331.8 351.10  21.93N
 175 10  1  -38 44  4  18 30 54  -10   8  56  7.03 331.7 351.07  21.96N
 175 20  1  -38 39 21  18 30 57  -10   8  56  6.89 331.7 351.04  21.99N
 175 30  1  -38 34 36  18 31  1  -10   8  56  6.75 331.7 351.01  22.02N
 175 40  2  -38 29 50  18 31  5   -9   9  56  6.62 331.6 350.98  22.06N
 175 50  2  -38 25  3  18 31  9   -9   9  56  6.50 331.6 350.95  22.09N
 176  0  2  -38 20 15  18 31 13   -9   9  56  6.38 331.6 350.92  22.12N
 176 10  2  -38 15 26  18 31 17   -9   9  56  6.26 331.5 350.88  22.15N
 176 20  2  -38 10 36  18 31 21   -9   9  56  6.15 331.5 350.85  22.18N
 176 30  2  -38  5 45  18 31 25   -9   9  55  6.04 331.5 350.82  22.21N
 176 40  2  -38  0 52  18 31 29   -8  10  55  5.93 331.5 350.79  22.24N
 176 50  2  -37 55 59  18 31 33   -8  10  55  5.83 331.4 350.76  22.27N
 177  0  3  -37 51  5  18 31 37   -8  10  55  5.73 331.4 350.73  22.31N

Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.

       337 is double: AB  6.5  6.5 0.050" 350.0

                Librations  Long -4.69   Lat -7.02
                            P +351.58     D +7.92
      Illumination of moon  4%-
        Elongation of Moon  23
    Vertical Profile Scale  2.09 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.87 deg/min


At longitude 175.33:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
    18.0      5.5   6.9   7.6   8.1   8.3   8.5   8.7
    20.0      5.5   6.9   7.6   8.1   8.3   8.5   8.7
    22.0      5.5   6.9   7.6   8.1   8.4   8.5   8.7
    24.0      5.5   6.9   7.6   8.1   8.4   8.6   8.7
    26.0      5.5   6.9   7.6   8.1   8.4   8.6   8.7
Predictions for Grazing Occultation of ZC 337, 2009 May 22

Lunar Limb Profile
